depends what criteria you're basing yourself on

I just play classic Game Boy Tetris tbh

me too lol i historicalically play tetris dx on my 3ds

Tetris Gameboy . Tetris DS[best one], Tetris Axis.

apotris no questions

I also love Apotris but tetris ds overstimulates me with everything going on at once

Apotris

haven't played this one while i had my 3ds but give apotris a try! its FOSS and has native gba and 3ds builds

axis

axis i got it fir a dollor 36 but i play tetris ds for dlp on ds mode